Information Retrieval: A Survey

热度1952票  浏览631次 【共1条评论】【我要评论 时间:2011年4月19日 14:46

$XK#f W3qdw8qZ#|0Information Retrieval: A Survey
/n te yI!s9OU)}6W&i030 November 2000
(i6Lkdf0by
s{0Tir?2[;l0Ed Greengrass
0II H(h{0Abstract自然语言处理与信息检索共享平台.W8`2l l#K:k `9D?M:J
Information Retrieval (IR) is the discipline that deals with retrieval of unstructured自然语言处理与信息检索共享平台riE#XW
data, especially textual documents, in response to a query or topic statement, which自然语言处理与信息检索共享平台X;?;D0T8Z J]
may itself be unstructured, e.g., a sentence or even another document, or which may自然语言处理与信息检索共享平台s7A$wx${4R$by
be structured, e.g., a boolean expression. The need for effective methods of automated
bB8[R+xTm0IR has grown in importance because of the tremendous explosion in the
sm OE+_ W4Mmb0amount of unstructured data, both internal, corporate document collections, and the自然语言处理与信息检索共享平台$k*FT2E2cu
immense and growing number of document sources on the Internet. This report is a
7q5VvYp0tutorial and survey of the state of the art, both research and commercial, in this
#q3w g#c u0dynamic field. The topics covered include: formulation of structured and unstructured
] Q;}-V?5M _0queries and topic statements, indexing (including term weighting) of document自然语言处理与信息检索共享平台s%Y+Z,E k-PD
collections, methods for computing the similarity of queries and documents,自然语言处理与信息检索共享平台x |g*\n7J
classification and routing of documents in an incoming stream to users on the basis
x6X3M.J3d0of topic or need statements, clustering of document collections on the basis of language
$[#egO2P`2\CD0or topic, and statistical, probabilistic, and semantic methods of analyzing and
L8rP+@L0retrieving documents.自然语言处理与信息检索共享平台B!}v!kk%q9z |#a E

自然语言处理与信息检索共享平台7i{ ^a{

information-retrieval-a-survey.pdf(1.07 MB)

*fP2W?%\P ER'@0
TAG: retrieval information survey
顶:134 踩:124
对本文中的事件或人物打分:
当前平均分:-0.56 (566次打分)
对本篇资讯内容的质量打分:
当前平均分:-0.38 (559次打分)
【已经有569人表态】
103票
感动
50票
路过
56票
高兴
59票
难过
64票
搞笑
80票
愤怒
84票
无聊
73票
同情
上一篇 下一篇
发表评论
换一张

网友评论仅供网友表达个人看法,并不表明本网同意其观点或证实其描述。

查看全部回复【已有1位网友发表了看法】